Product Description: The 630B Air Circulator continues Vornado's superior benchmark performance with a new edge design. It's unique signature grill and deep-pitched propeller, the 630B moves air up to 70 feet, while areodynamically circulating all the air in a room. THe 3 speed control, located on the side of the air circulator's base, is easy to access and allows for speed selection to meet any circulation need. The base of the 630B provides added stability when operating from the floor or a desktop. Use the 630B all year long in your home or office for added comfort and energy savings in every season.